Allen & Heath AH-AHM-64 2RU 64×64 Audio Matrix Processor with 12×12 Local Analog I/O

A scalable installed audio ecosystem

Allen and Heath AHM-64 is a powerful 64×64 Audio Matrix Processor supported by a comprehensive ecosystem of scalable I/O, control and Dante solutions. Designed to excel in corporate, retail, hospitality and education environments, AHM-64 allows integrators to quickly create systems that build from a single boardroom to a complete campus.

Features:

• 64×64 processing matrix
• Sound management + installation
• 12×12 local analogue I/O
• I/O Port for audio networking, up to 128×128
• Dante 96kHz 64×64 option card
• 128×128 built-in SLink expansion port
• 64 configurable processing outputs
• 8x Automatic Mic Mixers

Specifications:

• Inputs
• Mic/Line Inputs: Balanced, +48V Phantom Power
• Mic/Line Preamp: Fully recallable
• Input Sensitivity: -60 to +15dBu
• Analogue Gain: +5 to +60dB, 1dB steps
• Pad: -20dB Active PAD
• Maximum Input Level: +30dBu (PAD in)
• Input Impedance: >3kΩ (Pad out), >8kΩ (Pad in)
• Mic EIN: -127dB with 150Ω source

  Outputs

• Analogue Outputs: Balanced, Relay protected
• Output Impedance: <75Ω
• Nominal Output: +4dBu = 0dB meter reading
• Maximum Output Level: +22dBu
• Residual Output Noise: -94dBu (muted, 20-20kHz), -92dBu (muted, 20-40kHz)

  System

• Measured balanced XLR in to XLR out, 20-20kHz, +5dB, Gain, Pad out, signal @ 0dB (meter)
• Dynamic Range: 110dB
• System Signal to Noise: -94dB
• Frequency Response: 20Hz – 25kHz, +0/-0.8dB
• THD+N (analogue in to out): 0.05% @ +16dBu output, 1kHz + 5dB gain
• Headroom: +18dB
• Sampling Rate: 96kHz +/- 20PPM
• ADC: 32-bit Delta Sigma
• DAC: 32-bit Delta Sigma

  Playback

• Internal Storage: ~3GB
• File types: Mono/stereo .WAV (16/24bit, 44.1/48/96kHz), MP3, FLAC
• Operating Temperature: 32°F – 104°F
• Mains Power: 100-240V AC, 50-60Hz, 70W Max
• DC Power: 12VDC – 5A Minimum Capable Supply

  Input Processing

• 64 Input Channels: Configurable mono or stereo
• Trim: +/- 24dB digital trim
• Polarity Stereo Width Control: Normal/Reverse L/R, R/L, L-PoI/R, R-PoI/L, Mono, L/L, R/R, M/S

  Gate

• Sidechain: Self-key or source selectable with 12dB/octave Lo-Pass and Hi-Pass
• Threshold: -72dBu to +12dBu
• Depth: 0-60dB
• Attack: 50ms to 300ms
• Hold: 10ms to 5s
• Release: 10ms to 1s
• Insert: In/Out, +4dBu/-10dBV Level

  PEQ

• Type: 8-Band fully parametric, +/-15dB
• Band 1 – 8: Selectable LF/HF Shelving, Bell (variable or constant Q), Hi-Pass/Lo-Pass, Notch
• Bell Width: 0.50 – 6.00
• Shelving Type: Classic Baxandall
• Hi-Pass, Lo-Pass Filter: 12dB/octave

  Compressor: Peak or RMS sensing

• Sidechain: Self-key or source selectable, with 12dB/octave Lo-Pass and Hi-Pass
• Threshold: -46dBu to 18dBu
• Compressor parameters: Threshold, Ratio, Attack, Release
• Delay: Up to 683ms

  Zone Processing

• Up to 64 Zones: Configurable Mono or Stereo
• Source Selector: Up to 20 sources, variable level, Fade In and Fade Out time <20s
• Insert: In/Out, +4dBu/-10dBV level
• GEQ: 28 bands 31Hz -16kHz, +/-12dB, constant-Q
• PEQ: See Input Processing
• Compressor: See Input Processing
• Delay: Up to 683ms

  ANC

• Ambient Level: Selectable source and metering point, Gain Differential -18dB to 40dB
• Gap: Selectable source and metering point, Threshold -62dB to -20dB, Time 0-5000ms
• Gain Element: Min / Max Gain, Rate 0-30dB/s
• Limiter: Variable Threshold, Attack and Release

  Speaker Processing

• Crossovers: Configurable 2, 3, 4 way
• Filters: Asymmetrical, selectable 1st order, Butterworth 12/18/24 db/octave, LR 12/24 dB/octave
• PEQ: 4-Band fully parametric
• Delay: Up to 683ms
• Limiter: See Zone Processing

  AMM

• Channels: 1×64, 2×32, 4×16 or 8×8
• Modes: D-Classic gain sharing or NOM

Warranty:

• 3 Year Limited Warranty